.banner-img {
    width: 100%;
    height: 600px;
    background-size: cover;
    padding:30px;
    display: flex;
    position: relative;
    .mask{
        background-color: #ffffff;
        position: absolute;
        bottom: 20px;
        &:nth-child(odd){
            left:20px;
        }
        &:nth-child(even){
            right:20px;
        }
        padding:18px 28px;
        box-shadow: 0 3px 7px 0 rgb(0 0 0 / 10%);
    }
}
.link{
    color: #333;
    font-weight: 600;
    a{
        text-decoration: underline;
        padding-right: 10px;
    }
}
.banner {
    width: 100%;
    padding: 100px 0;
}

.title{
    font-size: 26px;
    color: #000;
    font-weight: bold;
    margin-bottom: 20px;
}
.intro{
    font-size: 16px;
    color: #333;
    font-weight: 300;
    margin-bottom: 20px;
}
.item{
    margin-bottom: 50px;
}
@media (max-width:768px){
    .banner {
        padding: 20px 0;
    }
    .banner-img{
        height: 300px;
    }
    .item{
        margin-bottom: 20px;
    }
}